pub fn main() {}

#[test]
fn it_works() {
    assert!(true);
    // assert!(false, "自定义信息{}", 123);
    assert_eq!(0, 0);
    assert_ne!(0, 1);
}

#[test]
#[should_panic]
fn is_panic() {
    panic!()
}

#[test]
fn use_result() -> Result<(), String> {
    Ok(())
}
